From: Alexey Dobriyan <adobriyan@xxxxxxxxx> Subject: ramfs: support O_TMPFILE Link: http://lkml.kernel.org/r/20190206073349.GA15311@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/ramfs/inode.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) --- a/fs/ramfs/inode.c~ramfs-support-o_tmpfile +++ a/fs/ramfs/inode.c @@ -147,6 +147,17 @@ static int ramfs_symlink(struct inode * return error; } +static int ramfs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) +{ + struct inode *inode; + + inode = ramfs_get_inode(dir->i_sb, dir, mode, 0); + if (!inode) + return -ENOSPC; + d_tmpfile(dentry, inode); + return 0; +} + static const struct inode_operations ramfs_dir_inode_operations = { .create = ramfs_create, .lookup = simple_lookup, @@ -157,6 +168,7 @@ static const struct inode_operations ram .rmdir = simple_rmdir, .mknod = ramfs_mknod, .rename = simple_rename, + .tmpfile = ramfs_tmpfile, }; /* _
